| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2 weeks | 44 |
25.3%
|
| 2 | 2 weeks - 1 month | 32 |
18.4%
|
| 3 | 1 - 2 months | 28 |
16.1%
|
| 4 | More than 2 months | 70 |
40.2%
|
| Sysmiss | 1211 |